National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

63°F

17°C

Humidity 30%
Wind Speed SE 14 G 24 mph
Barometer 30.29 in (1026.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 9 Apr 5:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South wind 5 to 9 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Showers likely before 2am. Mostly cloudy, with a low around 43. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 63 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. South wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Showers likely before 2am. Mostly cloudy, with a low around 43. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 41. Calm wind.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.92°W (Elev. 1388 ft)
Last Update:
5:36 pm EDT Apr 9, 2026
Forecast Valid:
6pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation